Which fact provides the BEST evidence to support the conclusion that by the late 1700s, Georgia's "upcountry" settlers began to outnumber those in the older coastal counties?

A) During this era, the state opened an asylum in Milledgeville to provide care for the mentally ill.

B) In 1793, Eli Whitney patented the "cotton gin," which revolutionized agriculture all across the south.

C) In the early 1800s a Protestant religious movement called the "Great Revival" swept through the south.

D) In 1796, the state capital was moved from Augusta on Georgia's eastern border to Louisville in central Georgia.